First Time KA-T Start-Up... Not So Good.

[Doya]

So I finally got my car started this morning. I ran into a couple of wiring issues a few of months and just got everything straightened out.

When I first started it, it died about a minute later. I was looking around to see what the problem might be and I realized I forgot to attach those two hoses to my cold pipe. I pulled out the dipstick just to check the oil level again, and I noticed that it looked kind of like mucus and it smelled like fuel. Why would fuel be mixing with my oil after only running for like a minute.

[martins_240sx]

the only thing i can think of is that your either pumping way to much fuel or your rings may be bad or your rings are all aligned which is bad. did you rebuild the block?

[KFL]

-fuel injector oring leak-vacuum leak-bad fpr-bad tuned ecu-bad maf/wiring

Usually the 1st is the main culprit, to test remove fuel rail with injectors. Turn key to acc position if fuel dribbles out, bad fuel oring.

[GTR PrYdE]

+1 on leaking o-rings.

[Doya]

did you rebuild the block?

Nope, stock block.

I drained my oil yesterday and it looked like it had anti-freeze in it It's been sitting for a couple of months though. The last time I drove it was like august, but it ran perfectly fine prior to that. How can I blow a head gasket without driving it.

[martins_240sx]

Odds are you had the head gasket problem last time you drove it. Over time it just leaked into the pan. how much coolant we talking about. At this point im saying your headgasket is bad...only cause everytime mine blew up at the dyno it wouldnt run well or for very long

[Lonismos14]

That might not be your problem, make sure the idle hose and valve cover hose is installed properly, had the same problem they should look like this.

[martins_240sx]

dont mind this post i just did

[Doya]

That might not be your problem, make sure the idle hose and valve cover hose is installed properly, had the same problem they should look like this.

I have all the hoses hooked up now except my valve cover hose is on the other side because I'm running a blow through set-up with my MAFS.

dont mind this post i just did

OK

[Lonismos14]

if i heard you right thats the problem take the valve cover hose off of the charge pipe and put it like mine and change your oil twice and your golden.

post a pic so i can see, but from what you were saying that you got both hoses on the cold side(throttlebody side)

[martins_240sx]

you definetly need to make sure the valve cover hose isnt seeing boost pressure. its not a good idea to pressurize the valve cover.

[WDRacing]

Drain/refill oil, pull/clean the plugs, verfiy all your vac hoses are correct, check compression then restart.

WD

[Doya]

if i heard you right thats the problem take the valve cover hose off of the charge pipe and put it like mine and change your oil twice and your golden.

post a pic so i can see, but from what you were saying that you got both hoses on the cold side(throttlebody side)

I have my MAFS on my cold pipe side so thats where I attached my valve cover hose. Can anyone verify if that is correct.

Drain/refill oil, pull/clean the plugs, verfiy all your vac hoses are correct, check compression then restart.

WD

I'm going to do that once I make sure all of my hoses are right. Thanks.

[martins_240sx]

your valve cover should not see boost pressure. So if the line is hooked up on the cold side, it is seeing boost.

[Doya]

your valve cover should not see boost pressure. So if the line is hooked up on the cold side, it is seeing boost.

Alright, well then where should I put it.

[trackslut240]

preturbo with a catch can in the middle, => valve cover to catch can to bung before turbo. OR install just a breather filter and plug up the charge pipe connection for valve cover pipe.

[martins_240sx]

perfectly said/\

[biggie]

My VC vent is just to a catch can and open on other side of catch can, no issue with it so far.

[Doya]

My VC vent is just to a catch can and open on other side of catch can, no issue with it so far.

Thats probably what I'm going to do, thanks guys.

[Doya]

Alright, I got all the vacuum lines straight, changed my oil and cleaned my plugs. I started it up today and the same thing was happening, it would die after like 1 minute and whenever I tried blipping the throttle, it would die. I know it's running way too rich because I can smell smell fuel like crazy coming out of my exhaust and my oil smells like fuel too.

I had a wiring problem not too long ago. Two bare spots on my MAFS wiring touched and it burnt the wired and fried my ECU. I fixed the wiring and got a new ECU and was able to get it started, but none of my dash lights, tachometer, radio and all that other stuff won't work. Someone said that my TCU could have gone bad. Could that have anything to do with it running rich.

[martins_240sx]

yes and if you unplug your mafs does it run the same?

[Doya]

Yeah. I have a spare MAFS that I'm going to try and see if that makes a difference.

[martins_240sx]

that woul have been helpful to know If the mafs is working then whenyou unplug it the car would run horrible...not the same.

[Doya]

I tried the other MAFS and it didn't make a difference. I'm getting tired of wasting all of this oil I've bought like 16 quarts of oil in the past week.

I went over the wiring again just to make sure everything was good... and it is.

[Lonismos14]

I dont know im lost then, wait did you plug the hole where you had the hose going to please post some pics as it can be easier to diagnose.

[Doya]

I haz no camera . But yeah, I plugged that hole. I have a filter on my valve cover and the other two hoses are recirculated back into my cold pipe. IDK what's going on

[trackslut240]

any results for the compression test? sensors check(tps, cts, etc)?vacuum leaks?

when i had issues with my kat, i always overlooked the obvious, plugs, sensors, vacuum leaks, compression.

time to pull out the fsm and go thru all troubleshooting...

[esahuque]

What size injectors?what are you using to tune them with?what size MAF and how do you have it wired?

[Doya]

What size injectors?what are you using to tune them with?what size MAF and how do you have it wired?

Stock injectors, no tune. Just a 6:1 FMU and 2* timing retard.

[WDRacing]

Bypass the FMU. Pull/clean those plugs.

Whats up with this MAF? With or without a MAF the car should idle fine and rev to 2500. Is the IACV open enough? Is the vacuum line going to the IACV kinked? Sounds lame, but I actually had that happen to me. I couldn't start the f***ing thing for a week. Turned out the damn vac line going to the IACV had a nice kink, but it was "hidden in plain site" so I missed it.